68000814808 has 8 divisors (see below), whose sum is σ = 127501527780. Its totient is φ = 34000407400.

The previous prime is 68000814799. The next prime is 68000814823. The reversal of 68000814808 is 80841800086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×68000814808² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4250050918 + ... + 4250050933.

Almost surely, 2^68000814808 is an apocalyptic number.

It is an amenable number.

68000814808 is a deficient number, since it is larger than the sum of its proper divisors (59500712972).

68000814808 is a wasteful number, since it uses less digits than its factorization.

68000814808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500101857 (or 8500101853 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The spelling of 68000814808 in words is "sixty-eight billion, eight hundred fourteen thousand, eight hundred eight".